* {
    margin: 0;
    padding: 0;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
    box-sizing: border-box;
}

a {
    color: #333;
    text-decoration: none;
}

.container {
    overflow: hidden;
    position: relative;
    margin: 100px auto;
    width: 320px;
    height: 480px;
    background: url(../img/game_bg.jpg) no-repeat 0 0;

    .score {
        margin-left: 65px;
        height: 44px;
        line-height: 44px;
        color: #fff;
    }

    .wolf {
        cursor: pointer;
    }
}

.progress {
    position: absolute;
    top: 66px;
    left: 63px;
    width: 180px;
    height: 16px;
    background: url(../img/progress.png) no-repeat 0 0;
}

.play {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 40px;
    line-height: 35px;
    font-size: 25px;
    border: 0;
    color: #fff;
    background: linear-gradient(#e55c3d,#c50000);
    border-radius: 20px;
    cursor: pointer;
}

.rule {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30px;
    line-height: 30px;
    text-align: center;
    color: #757575;
    background-color: #ccc;
    cursor: pointer;

    &:hover {
        color: #333;
    }
}

.info {
    display: none;
    position: absolute;
    z-index: 888;
    top: 0;
    padding-top: 100px;
    padding-left: 50px;
    width: 100%;
    height: 100%;
    line-height: 40px;
    font-size: 22px;
    color: #fff;
    background-color: rgba(0,0,0,.6);
    transition: top .75s;

    .close {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        margin-top: 10px;
        text-align: center;
        width: 80px;
        height: 28px;
        line-height: 28px;
        border-radius: 15px;
        font-size: 14px;
        color: #fff;
        background-color: rgba(0,0,0,.4);
        transition: all .3s;

        &:hover {
            background-color: #999;
        }
    }
}

.mask {
    display: none;
    position: absolute;
    z-index: 999;
    top: 0;
    width: 100%;
    height: 100%;
    line-height: 40px;
    text-align: center;
    color: #fff;
    background-color: rgba(0,0,0,.6);

    h4 {
        margin: 100px 0 120px;
        font-size: 40px;
        color: #ff4500;
        text-shadow: 3px 3px 0 #fff;
    }

    button {
        position: absolute;
        bottom: 80px;
        left: 50%;
        transform: translateX(-50%);
        width: 150px;
        height: 40px;
        line-height: 35px;
        font-size: 25px;
        border: 0;
        color: #fff;
        background: linear-gradient(#74accf,#007ddc);
        border-radius: 20px;
        cursor: pointer;
    }

    .end {
        position: absolute;
        color: #fff;
        bottom: 40px;
        left: 50%;
        transform: translateX(-50%);
        transition: all .3s;

        &:hover {
            text-decoration: underline;
            color: #ff4500;
        }
    }
}